Computer generated icon for a portion of a screen



FIG. 1 is a front view of a computer generated icon for a portion of a screen in accordance with an embodiment.

FIG. 2 is a front view of a computer generated icon for a portion of a screen in accordance with another embodiment; and,

FIG. 3 is a front view of a computer generated icon for a portion of a screen in accordance with another embodiment.

The broken line showing of a portion of a screen in for purposes of illustrating environmental structure and forms no part of the claimed design. 

The ornamental design for a computer generated icon for a portion of a screen, as shown and described. 